/**
 * 
 */
package data;

import java.util.ArrayList;

/**
 * @author sebastian
 *
 */
public final class PSPHierarchy {
	/** */
	public String wbs_element;

	
	/** */
	public ArrayList<PSPHierarchy> children = new ArrayList<PSPHierarchy>();
	
	/* Internal use */
	public String up;
	public String down;
	public String left;
	public String right;
	
	public PSPHierarchy up_link;
	public PSPHierarchy down_link;
	public PSPHierarchy left_link;
	public PSPHierarchy right_link;
}
